1878 in science

Events

• the Swedish explorer Adolf Erik Nordenskiöld crosses in boat the Passage of the North-East.
• John Appleby develops the Moissonneuse-lieuse.
• the American inventor Thomas Edison invents the Electric bulb with incandescence.
• the British J.W. Swan invents the principle of the vacuum lamp equipped with a carbon filament (final patent in 1880).
• David Edward Hughes invents the Microphone.
• the Téléphone of Edison is equipped with a constant battery which makes it possible to establish a regular current between the ringing and the line, invented by Leclanché.
• the First electric lighting with Paris.

Publications

• Re-examined American of mathematics ( American Newspaper off Mathematics ) founded to Baltimore by English James Joseph Sylvester.

Births

Death

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